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Your Position: Home > Protein > 4-1BB > 41B-C5253

Canine 4-1BB / TNFRSF9 Protein, Fc Tag (MALS verified)

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  • Synonym
    TNFRSF9,4-1BB,CD137,CDw137,ILA
  • Source
    Canine 4-1BB Protein, Fc Tag(41B-C5253) is expressed from human 293 cells (HEK293). It contains AA Ile 24 - Ser 185 (Accession # XP_850336.1).
    Predicted N-terminus: Ile 24
  • Molecular Characterization
    4-1BB Structure

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 43.4 kDa. The protein migrates as 55-65 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
4-1BB SDS-PAGE

Canine 4-1BB Protein, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
4-1BB MALS images

The purity of Canine 4-1BB Protein, Fc Tag (Cat. No. 41B-C5253) is more than 90% and the molecular weight of this protein is around 95-110 kDa verified by SEC-MALS.

Bioactivity-ELISA
 4-1BB ELISA

Immobilized Human 4-1BB Ligand, Mouse IgG2a Fc Tag, low endotoxin at 5 μg/mL (100 μL/well) can bind Canine 4-1BB Protein, Fc Tag (Cat. No. 41B-C5253) with a linear range of 0.3-5 ng/mL (QC tested).

  • Background
    4-1BB is also known as CD137, tumor necrosis factor receptor superfamily member 9 (TNFRSF9), induced by lymphocyte activation (ILA), is a co-stimulatory molecule of the tumor necrosis factor (TNF) receptor superfamily. CD137 can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. The best characterized activity of CD137 is its costimulatory activity for activated T cells. Crosslinking of CD137 enhances T cell proliferation, IL-2 secretion survival and cytolytic activity. Further, it can enhance immune activity to eliminate tumors in mice. CD137 can enhance activation-induced T cell apoptosis when triggered by engagement of the TCR/CD3 complex. In addition, 4-1BB/4-1BBL co-stimulatory pathway has been shown to augment secondary CTL responses to several viruses, and meanwhile augment anti-tumor immunity. 4-1BB thus is a promising candidate for immunotherapy of human cancer. CD137 has been shown to interact with TRAF2.
  • Clinical and Translational Updates

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Price(USD) : $350.00

Price(USD) : $2540.00

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